cnic: Add cnic_free_uio()
to free all UIO related structures.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index b12bba7..739ffcb 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -770,20 +770,15 @@
}
}
-static void cnic_free_resc(struct cnic_dev *dev)
+static void __cnic_free_uio(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
- int i = 0;
- if (cp->cnic_uinfo) {
- while (cp->uio_dev != -1 && i < 15) {
- msleep(100);
- i++;
- }
+ if (cp->cnic_uinfo)
uio_unregister_device(cp->cnic_uinfo);
- kfree(cp->cnic_uinfo);
- cp->cnic_uinfo = NULL;
- }
+
+ kfree(cp->cnic_uinfo);
+ cp->cnic_uinfo = NULL;
if (cp->l2_buf) {
dma_free_coherent(&dev->pcidev->dev, cp->l2_buf_size,
@@ -796,6 +791,28 @@
cp->l2_ring, cp->l2_ring_map);
cp->l2_ring = NULL;
}
+}
+
+static void cnic_free_uio(struct cnic_dev *dev)
+{
+ if (!dev)
+ return;
+
+ __cnic_free_uio(dev);
+}
+
+static void cnic_free_resc(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ int i = 0;
+
+ if (cp->cnic_uinfo) {
+ while (cp->uio_dev != -1 && i < 15) {
+ msleep(100);
+ i++;
+ }
+ cnic_free_uio(dev);
+ }
cnic_free_context(dev);
kfree(cp->ctx_arr);